Instead, calculate how much is needed and then allocate the memory
dynamically.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
drivers/media/i2c/smiapp/smiapp-core.c | 24 ++++++++++++++++++------
drivers/media/i2c/smiapp/smiapp.h | 8 ++------
2 files changed, 20 insertions(+), 12 deletions(-)
diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index e5d4584..9873b3d 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -621,7 +621,7 @@ static int smiapp_init_controls(struct smiapp_sensor *sensor)
static int smiapp_init_late_controls(struct smiapp_sensor *sensor)
{
unsigned long *valid_link_freqs = &sensor->valid_link_freqs[
- sensor->csi_format->compressed - SMIAPP_COMPRESSED_BASE];
+ sensor->csi_format->compressed - sensor->compressed_min_bpp];
unsigned int max, i;
for (i = 0; i < ARRAY_SIZE(sensor->test_data); i++) {
@@ -754,6 +754,7 @@ static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
{
struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
struct smiapp_pll *pll = &sensor->pll;
+ u8 compressed_max_bpp = 0;
unsigned int type, n;
unsigned int i, pixel_order;
int rval;
@@ -826,16 +827,27 @@ static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
pll->scale_m = sensor->scale_m;
for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) {
+ sensor->compressed_min_bpp =
+ min(smiapp_csi_data_formats[i].compressed,
+ sensor->compressed_min_bpp);
+ compressed_max_bpp =
+ max(smiapp_csi_data_formats[i].compressed,
+ compressed_max_bpp);
+ }
+
+ sensor->valid_link_freqs = devm_kcalloc(
+ &client->dev,
+ compressed_max_bpp - sensor->compressed_min_bpp + 1,
+ sizeof(*sensor->valid_link_freqs), GFP_KERNEL);
+
+ for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) {
const struct smiapp_csi_data_format *f =
&smiapp_csi_data_formats[i];
unsigned long *valid_link_freqs =
&sensor->valid_link_freqs[
- f->compressed - SMIAPP_COMPRESSED_BASE];
+ f->compressed - sensor->compressed_min_bpp];
unsigned int j;
- BUG_ON(f->compressed < SMIAPP_COMPRESSED_BASE);
- BUG_ON(f->compressed > SMIAPP_COMPRESSED_MAX);
-
if (!(sensor->default_mbus_frame_fmts & 1 << i))
continue;
@@ -1769,7 +1781,7 @@ static int smiapp_set_format_source(struct v4l2_subdev *subdev,
valid_link_freqs =
&sensor->valid_link_freqs[sensor->csi_format->compressed
- - SMIAPP_COMPRESSED_BASE];
+ - sensor->compressed_min_bpp];
__v4l2_ctrl_modify_range(
sensor->link_freq, 0,
diff --git a/drivers/media/i2c/smiapp/smiapp.h b/drivers/media/i2c/smiapp/smiapp.h
index aae72bc..e71271e 100644
--- a/drivers/media/i2c/smiapp/smiapp.h
+++ b/drivers/media/i2c/smiapp/smiapp.h
@@ -150,11 +150,6 @@ struct smiapp_csi_data_format {
#define SMIAPP_PAD_SRC 1
#define SMIAPP_PADS 2
-#define SMIAPP_COMPRESSED_BASE 8
-#define SMIAPP_COMPRESSED_MAX 16
-#define SMIAPP_NR_OF_COMPRESSED (SMIAPP_COMPRESSED_MAX - \
- SMIAPP_COMPRESSED_BASE + 1)
-
struct smiapp_binning_subtype {
u8 horizontal:4;
u8 vertical:4;
@@ -224,6 +219,7 @@ struct smiapp_sensor {
bool streaming;
bool dev_init_done;
+ u8 compressed_min_bpp;
u8 *nvm; /* nvm memory buffer */
unsigned int nvm_size; /* bytes */
@@ -233,7 +229,7 @@ struct smiapp_sensor {
struct smiapp_pll pll;
/* Is a default format supported for a given BPP? */
- unsigned long valid_link_freqs[SMIAPP_NR_OF_COMPRESSED];
+ unsigned long *valid_link_freqs;
/* Pixel array controls */
struct v4l2_ctrl *analog_gain;
--
2.1.4
--
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